public class JavaSE722 {
    public static void main(String[] args) {
        // 这种是单行注释
        /*
        这种是多行注释
         */
        /*System.out.println(12.5 % 5);
        System.out.println(-12.5 % 5);*/
        /*int a = 3;
        double b = 3.5;
        a += b;
        System.out.println(a);
        System.out.println(b);*/
        /*int a = 3;
        int b = 1;
        b = a++;
        System.out.println(a);
        System.out.println(b);*/
        /*int a = 3;
        int b = 1;
        b = ++a;
        System.out.println(a);
        System.out.println(b);*/
        /*int a = 6;
        a = a++;
        System.out.println(a);*/
        /*System.out.println(5<4);
        System.out.println(4>5);
        System.out.println(5==5);
        System.out.println(5<=4);
        System.out.println(5>=5);
        System.out.println(5!=4);*/
        /*int a = 5;
        int b = 4;
        int c = 10;
        int d = 15;
        System.out.println(a > b ? c > d ? true : false : true);*/
        //判断一个数是否为偶数
        //判断一个数是正数，负数还是0
        //判断某一年是否是闰年
        System.out.println("aaa");
        System.out.println("bbb");
        System.out.println("ccc");
    }
}
